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Subject[PATCH 3/4] ASoC: qcom: sdm845: Add codec related configuration for sdm845
Date
Set TDM time slots and DAI format for speaker codec.
Set DAI format and clock for headset.

Signed-off-by: Rohit kumar <rohitkr@codeaurora.org>
Signed-off-by: Cheng-Yi Chiang <cychiang@chromium.org>
---
sound/soc/qcom/sdm845.c | 82 ++++++++++++++++++++++++++++++++++++++++-
1 file changed, 81 insertions(+), 1 deletion(-)

diff --git a/sound/soc/qcom/sdm845.c b/sound/soc/qcom/sdm845.c
index 43c03f8e8cdc2..d815040e98dc9 100644
--- a/sound/soc/qcom/sdm845.c
+++ b/sound/soc/qcom/sdm845.c
@@ -6,12 +6,15 @@
#include <linux/module.h>
#include <linux/platform_device.h>
#include <linux/of_device.h>
+#include <sound/core.h>
#include <sound/pcm.h>
#include <sound/pcm_params.h>
#include <sound/jack.h>
+#include <sound/soc.h>
#include <uapi/linux/input-event-codes.h>
#include "common.h"
#include "qdsp6/q6afe.h"
+#include "../codecs/rt5663.h"

#define DEFAULT_SAMPLE_RATE_48K 48000
#define DEFAULT_MCLK_RATE 24576000
@@ -34,7 +37,7 @@ static int sdm845_tdm_snd_hw_params(struct snd_pcm_substream *substream,
{
struct snd_soc_pcm_runtime *rtd = substream->private_data;
struct snd_soc_dai *cpu_dai = rtd->cpu_dai;
- int ret = 0;
+ int ret = 0, j;
int channels, slot_width;

switch (params_format(params)) {
@@ -81,6 +84,31 @@ static int sdm845_tdm_snd_hw_params(struct snd_pcm_substream *substream,
goto end;
}
}
+
+ for (j = 0; j < rtd->num_codecs; j++) {
+ struct snd_soc_dai *codec_dai = rtd->codec_dais[j];
+
+ if (!strcmp(codec_dai->component->name_prefix, "Left")) {
+ ret = snd_soc_dai_set_tdm_slot(
+ codec_dai, 0x30, 0x3, 8, slot_width);
+ if (ret < 0) {
+ dev_err(rtd->dev,
+ "DEV0 TDM slot err:%d\n", ret);
+ return ret;
+ }
+ }
+
+ if (!strcmp(codec_dai->component->name_prefix, "Right")) {
+ ret = snd_soc_dai_set_tdm_slot(
+ codec_dai, 0xC0, 0x3, 8, slot_width);
+ if (ret < 0) {
+ dev_err(rtd->dev,
+ "DEV1 TDM slot err:%d\n", ret);
+ return ret;
+ }
+ }
+ }
+
end:
return ret;
}
@@ -90,9 +118,26 @@ static int sdm845_snd_hw_params(struct snd_pcm_substream *substream,
{
struct snd_soc_pcm_runtime *rtd = substream->private_data;
struct snd_soc_dai *cpu_dai = rtd->cpu_dai;
+ struct snd_soc_dai *codec_dai = rtd->codec_dai;
int ret = 0;

switch (cpu_dai->id) {
+ case PRIMARY_MI2S_RX:
+ case PRIMARY_MI2S_TX:
+ /*
+ * Use ASRC for internal clocks, as PLL rate isn't multiple
+ * of BCLK.
+ */
+ rt5663_sel_asrc_clk_src(
+ codec_dai->component,
+ RT5663_DA_STEREO_FILTER | RT5663_AD_STEREO_FILTER,
+ RT5663_CLK_SEL_I2S1_ASRC);
+ ret = snd_soc_dai_set_sysclk(codec_dai,
+ RT5663_SCLK_S_MCLK, 24576000, SND_SOC_CLOCK_IN);
+ if (ret < 0)
+ dev_err(rtd->dev,
+ "snd_soc_dai_set_sysclk err = %d\n", ret);
+ break;
case QUATERNARY_TDM_RX_0:
case QUATERNARY_TDM_TX_0:
ret = sdm845_tdm_snd_hw_params(substream, params);
@@ -155,14 +200,20 @@ static int sdm845_dai_init(struct snd_soc_pcm_runtime *rtd)
static int sdm845_snd_startup(struct snd_pcm_substream *substream)
{
unsigned int fmt = SND_SOC_DAIFMT_CBS_CFS;
+ unsigned int codec_dai_fmt = SND_SOC_DAIFMT_CBS_CFS;
struct snd_soc_pcm_runtime *rtd = substream->private_data;
struct snd_soc_card *card = rtd->card;
struct sdm845_snd_data *data = snd_soc_card_get_drvdata(card);
struct snd_soc_dai *cpu_dai = rtd->cpu_dai;
+ struct snd_soc_dai *codec_dai = rtd->codec_dai;
+
+ int j;
+ int ret;

switch (cpu_dai->id) {
case PRIMARY_MI2S_RX:
case PRIMARY_MI2S_TX:
+ codec_dai_fmt |= SND_SOC_DAIFMT_NB_NF;
if (++(data->pri_mi2s_clk_count) == 1) {
snd_soc_dai_set_sysclk(cpu_dai,
Q6AFE_LPASS_CLK_ID_MCLK_1,
@@ -172,6 +223,7 @@ static int sdm845_snd_startup(struct snd_pcm_substream *substream)
MI2S_BCLK_RATE, SNDRV_PCM_STREAM_PLAYBACK);
}
snd_soc_dai_set_fmt(cpu_dai, fmt);
+ snd_soc_dai_set_fmt(codec_dai, codec_dai_fmt);
break;

case SECONDARY_MI2S_TX:
@@ -190,6 +242,34 @@ static int sdm845_snd_startup(struct snd_pcm_substream *substream)
Q6AFE_LPASS_CLK_ID_QUAD_TDM_IBIT,
TDM_BCLK_RATE, SNDRV_PCM_STREAM_PLAYBACK);
}
+
+ codec_dai_fmt |= SND_SOC_DAIFMT_IB_NF | SND_SOC_DAIFMT_DSP_B;
+
+ for (j = 0; j < rtd->num_codecs; j++) {
+ codec_dai = rtd->codec_dais[j];
+
+ if (!strcmp(codec_dai->component->name_prefix,
+ "Left")) {
+ ret = snd_soc_dai_set_fmt(
+ codec_dai, codec_dai_fmt);
+ if (ret < 0) {
+ dev_err(rtd->dev,
+ "Left TDM fmt err:%d\n", ret);
+ return ret;
+ }
+ }
+
+ if (!strcmp(codec_dai->component->name_prefix,
+ "Right")) {
+ ret = snd_soc_dai_set_fmt(
+ codec_dai, codec_dai_fmt);
+ if (ret < 0) {
+ dev_err(rtd->dev,
+ "Right TDM slot err:%d\n", ret);
+ return ret;
+ }
+ }
+ }
break;

default:
--
2.20.0.rc0.387.gc7a69e6b6c-goog
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